Specifications

Total Access 600 Series System Manual Section 4.7 FXS UIG
61200624L1-1A © 2002 ADTRAN, Inc. 351
Port
Identifies the port involved.
Mode
Options are given below.
Loop Start
Sets the port to use FXS loop start signalling on the T-span and loop start supervision on the analog 2-wire
interface.
TX (dB)
Indicates the Tx direction transmit level points. The transmission level is indicated in dBm.
RX (dB)
Indicates the Rx direction transmit level points. The transmission level is indicated in dBm.
Svc Mode
Indicates whether the ports are IN SERVICE or OUT OF SVC. This does not indicate whether the port has been
mapped.
Coding Type
Indicates voice encoding type. PCM (G.711) indicates standard 8-bit sampling. ADPCM (G.721) indicates
that 32 kbps compression is being used.
Line Z
Indicates the line impedance.
Ring V-rms
Controls the DC offset and voltage settings during the ring cycle. The following options are available:
45V-RMS (20V DC OFFSET), 55V-RMS (10V DC OFFSET), and 62V-RMS (NO DC OFFSET). Many analog phones work
better with a DC offset.
45V-RMS is the recommended and default setting for most scenarios.
This option only appears in ATM code.
This option is only available in the 604/608. The 612/616/624’s have a ring voltage of 94
VAC.